General

  • Target

    JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf

  • Size

    235KB

  • Sample

    241222-j33a7szqes

  • MD5

    a61674029b482827a782ecae5d07e051

  • SHA1

    dfa370a71cf415dccba8d6a841c37e93e4b7f81f

  • SHA256

    410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf

  • SHA512

    d07695d45faf4cf7e7dfbe3ce26dc73bd74c6f73db4bcb9ae0f9f6290b0b9f4186f0a23a19a4453e32714f0b9411935ec5fbe91a0b60de6deb114c5dd0e0e410

  • SSDEEP

    3072:0Q1c0xv9yIQYEgVLKQdo4dr/RmSw0/UOUypQchJjurk3O4N1psmetvEZe9PvL9iv:0Q1c0PegZn6G/RJxhw+P1MeZ045Fw0

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf

    • Size

      235KB

    • MD5

      a61674029b482827a782ecae5d07e051

    • SHA1

      dfa370a71cf415dccba8d6a841c37e93e4b7f81f

    • SHA256

      410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf

    • SHA512

      d07695d45faf4cf7e7dfbe3ce26dc73bd74c6f73db4bcb9ae0f9f6290b0b9f4186f0a23a19a4453e32714f0b9411935ec5fbe91a0b60de6deb114c5dd0e0e410

    • SSDEEP

      3072:0Q1c0xv9yIQYEgVLKQdo4dr/RmSw0/UOUypQchJjurk3O4N1psmetvEZe9PvL9iv:0Q1c0PegZn6G/RJxhw+P1MeZ045Fw0

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks